Refined extraction and separation method of China hemp fibers
A technology of hemp fiber and separation method, which is applied in the direction of fiber mechanical separation, fiber treatment, chemical method to produce bast fiber, etc., and can solve the problems of hemp fiber performance instability, difficult commercial application of enzymes, unfriendly environment, etc.
Pending Publication Date: 2021-10-29
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AI-Extracted Technical Summary
Problems solved by technology
The invention discloses a refined extraction and separation method of China-hemp fibers. The method comprises the following steps that China-hemp is socked, the China-hemp discharged from a roller press is neatly placed in a net, the China-hemp is socked in a soaking tank together, an alkaline solution with the pH value controlled to be 7-11 is contained in the soaking tank, and soaking time is 6 minutes to 12 minutes; firstly, the soaked China-hemp is transferred into another tank filled with normal-temperature clear water, the China-hemp is subjected to rinsing for 1 minute-3 minutes, then the China-hemp is taken out, spraying is conducted again to remove residual liquid, the washed China-hemp is transferred to double rollers for dehydration, then the China-hemp is conveyed to a wet opener to be opened or a kneading machine to be subjected to a kneading operation, the kneading operation is that the washed China-hemp is directly put into the wet opener or the kneading machine to be kneaded, and then the China-hemp can be used; and the China-hemp is cooked, the temperature is controlled to be 50 DEG C-60 DEG C, and then the China-hemp is subjected to microwave treatment, ultrasonic degumming treatment, neutralization, water washing and drying treatment. According to the refined extraction and separation method of the China hemp fibers, the optimal degumming condition is met, the force required for degumming is effectively reduced, and the optimal degumming effect is achieved.
Mechanical fibre separationFibre treatment to obtain bast fibre
Hemp fiberManufacturing engineering +4
- Experimental program(1)
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